Base | Representation |
---|---|
bin | 1100111000111100001… |
… | …0001011101011001000 |
3 | 210011120202011021211120 |
4 | 3032033002023223020 |
5 | 12112003404433323 |
6 | 245421324555240 |
7 | 21666364556235 |
oct | 3161702135310 |
9 | 704522137746 |
10 | 221443046088 |
11 | 85a059100a0 |
12 | 36b009b2b20 |
13 | 17b60967724 |
14 | aa09cc278c |
15 | 5b60c395e3 |
hex | 338f08bac8 |
221443046088 has 128 divisors (see below), whose sum is σ = 608114304000. Its totient is φ = 66640421120.
The previous prime is 221443046087. The next prime is 221443046101. The reversal of 221443046088 is 880640344122.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (221443046087) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75344923 + ... + 75347861.
It is an arithmetic number, because the mean of its divisors is an integer number (4750893000).
Almost surely, 2221443046088 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 221443046088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304057152000).
221443046088 is an abundant number, since it is smaller than the sum of its proper divisors (386671257912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221443046088 is a wasteful number, since it uses less digits than its factorization.
221443046088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4835 (or 4831 counting only the distinct ones).
The product of its (nonzero) digits is 294912, while the sum is 42.
The spelling of 221443046088 in words is "two hundred twenty-one billion, four hundred forty-three million, forty-six thousand, eighty-eight".
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